500GB, 7200rpm, SATA (NCQ/Smart IV) 6Gbp/s
HP Serial ATA Hard Drives maximize the performance of HP Business PCs by providing the technologies to meet your increasing storage demands with high-capacity drives offering superior reliability and performance. HP Serial ATA 6.0-Gb/s Hard Drives offer data transfer rates of up to 6 Gb per second doubling your interface speed over SATA 1.5-Gb/s Hard Drives.
HP QK554AA, 500 GB, 7200 RPM, 8 MB, Serial ATA
HP QK554AA. HDD capacity: 500 GB, HDD speed: 7200 RPM, Storage drive buffer size: 8 MB, Interface: Serial ATA